Ukraine and Moldova won backing from European Union leaders on Thursday to become official candidates to join the bloc, a seminal move that comes after months of lobbying from the war-torn country and its close neighbour to start the long road to membership. Congratulating Ukraine and Moldova, European Council President Charles Michel wrote on Twitter: “A historic moment. Today marks a crucial step on your path towards the EU.” Ukrainian President Volodymyr Zelensky tweeted that he was “grateful” for the support, describing it as a “unique and historical moment.” Zelensky spoke to EU leaders a…